1312153204 has 6 divisors (see below), whose sum is σ = 2296268114. Its totient is φ = 656076600.

The previous prime is 1312153181. The next prime is 1312153207. The reversal of 1312153204 is 4023512131.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1271065104 + 41088100 = 35652^2 + 6410^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312153207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164019147 + ... + 164019154.

Almost surely, 2^1312153204 is an apocalyptic number.

It is an amenable number.

1312153204 is a deficient number, since it is larger than the sum of its proper divisors (984114910).

1312153204 is a wasteful number, since it uses less digits than its factorization.

1312153204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328038305 (or 328038303 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 1312153204 is about 36223.6553097558. The cubic root of 1312153204 is about 1094.7833447493.

Adding to 1312153204 its reverse (4023512131), we get a palindrome (5335665335).

The spelling of 1312153204 in words is "one billion, three hundred twelve million, one hundred fifty-three thousand, two hundred four".